Book/Report FZJ-2018-02442

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Nonlinear gyrokinetics of high $\beta$ axisymmetric plasmas

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1984
Kernforschungsanlage Jülich, Verlag Jülich

Jülich : Kernforschungsanlage Jülich, Verlag, Berichte der Kernforschungsanlage Jülich 1952, 28 p. ()

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Report No.: Juel-1952

Abstract: We derive the nonlinear gyrokinetic equation for axisymmetric Plasmas in its most general form, i. e. including finite ;3, collisions, drivingtoroidal electric Field, and, accordingly, non-Maxwellian, poloidally dependent unperturbed distribution functions. We rote the relation between the assumption of radial periodicity of the linear eigenfunction - the period being a multiple of the distance between rational surfaces - and the ballooning representation. We remark that this assumption is not justified in the presence of nonlinear interactions, and, fror there, suggest a possible saturation mechanism of the potentially dangerous toroidicity induced modes.


Contributing Institute(s):
  1. Publikationen vor 2000 (PRE-2000)
Research Program(s):
  1. 899 - ohne Topic (POF3-899) (POF3-899)

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 Record created 2018-04-16, last modified 2021-01-29